Builth Wells
Trail Running Calendar near Builth Wells 2026-2027
Explore the top trail runs near Builth Wells for 2026-2027! We've gathered 50 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A series of mountain trail races across the Brecon Beacons offering distances from 21 miles to 100 miles with marked checkpoints and GPS navigation.
A 9.6 km fell race with 485 m ascent near Abergavenny on 31 October 2026; full WFRA kit is required and parking at the pub is very limited.
November 2026
Three trail races around Talybont-on-Usk in the Brecon Beacons on 7 November 2026, from a 49-mile ultra to a 13-mile half, with substantial elevation and ITRA/UTMB indexing.
A 30 mile trail ultra in the Brecon Beacons on technical paths, with four checkpoints, compulsory kit requirements, and a six hour cut-off at the third checkpoint.
A 5.7 km fell race in Llanfoist with 485 m ascent, limited to 120 runners; entry fees £6/£4 and no entries on the day.
Timed lap event at Rhydycar, Merthyr Tydfil on 29 November 2026 with distances from 5 km to ultra on a certified tarmac course.
December 2026
Skirrid Xmas Hill Race is a 5.7 km fell race with 450 m ascent near Llanvihangel Crucorny on 19 December 2026; entry £10, no entries on the day.
January 2027
Lap-based timed event in Rhydycar, Merthyr Tydfil with a 5.3 km tarmac lap, distances from 5 km to ultra, timed over seven hours and a no-medal entry option.
Annual 12 mile or 20 mile walking and running challenge around the Elan and Claerwen Valleys that requires map reading and specific kit.
Winter Ultras in the Brecon Beacons offer self guided 75 and 100 mile winter routes with strict compulsory kit and a 40 hour time limit for experienced ultra runners.
February 2027
A Backyard Ultra near Crickhowell on 6 February 2027 featuring repeated 4.2 mile loops, a reversed final race lap, trophies for final lap winners and medals from 32 miles.
March 2027
Trail running event in the Black Mountains with marked 10, 20 and 40 mile routes from Crickhowell, marshals, stocked checkpoints and strict mandatory kit requirements; canicross friendly and GPX routes available.
Annual March challenge walk around Abergavenny with four route options from about 10 to 20 miles, mountain checkpoints and charity fundraising.
April 2027
Mountain trail races in the Brecon Beacons on 2 to 3 April 2027, featuring 100 km, 40 mile and marathon courses with marked routes and checkpoints.
HAYUM 30 is a figure of eight trail ultra around Hay on Wye with major climbs including Hay Bluff, three staffed checkpoints, and mainly off road terrain.
Trail running in the Brecon Beacons with marked 10, 20 and 40 mile routes, staffed checkpoints, GPX files and mandatory kit checks.